package com.ynu.znkz.service;

import com.ynu.znkz.entity.PaperResearchObj;
import com.baomidou.mybatisplus.extension.service.IService;

import java.util.List;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author lu
 * @since 2021-05-29
 */
public interface PaperResearchObjService extends IService<PaperResearchObj> {

    String savePaperResearchObj(String paperResearchObj,String parent_id);

    //查询所有一级分类信息
    List<PaperResearchObj> getAllTopLevel();

    //查询所有二级分类信息
    List<PaperResearchObj> getSecondLevel();
}
